1. South Korea ferry Trial: Sewol Capt Lee Was 'confused';BBC News,2014
2. Ferry Accident: Woman, 71, Survives Because Stranger Wouldn't Give up on Her;Park,2014
3. Miscommunication Added to Chaos as Ferry Sank;Bacon,2014
4. South Korea ferry Owner 'ignored' Warnings;BBC News,2014
5. Seeing the big picture of mishaps: applying the AcciMap approach to analyze system accidents;Branford;Aviat. Psychol. Appl. Hum. factors,2011